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SS Specific Service Issues/RepairsService/Repairs specific to the SS. Turbo-Brembo Brakes-2.0 Engine-Limited Slip Differential-Programmable Display-MU3 Transmission
A couple of things as I progress with my timing chain exercise.
#1 Note that the balancer chain crank sprocket is not just a sprocket. It's got some kind of mechanical thing going on.
#2 I've been considering changing my water pump as a preventative maintenance measure while I have access to this side of it, but I can hardly see the back side of it and the tube that runs to the thermostat housing with the turbo in the way much less get wrenches in there to R&R the thing. So, I may leave well enough alone for now unless you all have some words of wisdom for me.
I think that was the clicking you heard when turning the crank. When you turn it CC the timing chain bunches up and clicks as it jumps teeth.
I would not worry about the pump, but you already have remove 2 of the 4 bolts. The tube is removed by unbolting the t-stat housing (4 bolts), you would have to do that to get the pump out anyway. I don't know about the turbo plumbing.
For a 2.0 Ecotec with VVT? I used a wrench holding the cam to remove. So, I guess I might as well use a wrench to install. The video Oldblue posted at #14 skips that step but no special tool mentioned.
2.0 shop manual I have says torque "camshaft actuator retainer bolts" to 63 ft-lbs + 30 degrees. I've never run across that kind of torque spec until now.
I just checked again Mitchell OnDemand 5, which is basically a GM FSM, says 22 lb.ft. + 100 degrees. No special tools.
That goes for both 2.0 and 2.2/2.4.
Who publishes you book?
Modern torque specs use the plus degrees because it is more accurate. The threads are tighter tolerance and may be distorted, so torque does not necessarily mean tightened down.
GM published my shop manual. I actually have two. The manual for the 2008 SS has procedures with wrench and torque values you say. The 2009 SS manual has the procedure and torque value what I previously posted. Interesting...
However; I just checked AllData ,which is usually identical to Mitchell. I has the 63 lb.ft. plus 30 degrees and the holder.
Copyright on the Mitchell is 2011 on AllData is 2013.
BTW; there is a technical difference between ft-lb and lb-ft, not generally a functional difference though.
BTW; there is a technical difference between ft-lb and lb-ft, not generally a functional difference though.
$145 for that!
My manuals are both Copyright 2010 General Motors Corporation
Yep. lb-ft is, indeed more correct
Best price I've seen for a nonGM cam tool is $90, but it seems to me what worked for 2008 should work for 2009. As far as I know, the VVT engines are identical.
11-18-2017, 06:30 PM
